在搬运重物时，身体不要弯曲或是变形。
雪莉日以继夜地用她的鼻子帮朋友举起和搬运重物。
Shirley stood vigil night and day, using her trunk to help her friend to rise and even shift her weight.
尤其是从事久站、久坐或是长期弯腰搬运重物的工作者。
Particularly those engaged in a long time stop bending heavy lifting or long-term sedentary workers.
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